| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 2 | |
| #2 | United States | 2 | |
| #3 | Argentina | 1 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Czechia | 1 | |
| #9 | Estonia | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Finland | 1 | |
| #12 | Hungary | 1 | |
| #13 | Israel | 1 | |
| #14 | India | 1 | |
| #15 | Mexico | 1 | |
| #16 | Norway | 1 | |
| #17 | New Zealand | 1 | |
| #18 | Taiwan | 1 | |
| #19 | WIPO (World Intellectual Property Organization) | 1 | |
| #20 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control |
| # | Technology | |
|---|---|---|
| #1 | Systems for regulating electrical variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parker Keith Philip | 17 |
| #2 | Philip Keith | 1 |
| #3 | Keith Philip Parker | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9713228D0 | Electrical apparatus | |
| GB9500661D0 | Electrical apparatus |